{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In addition , ethanol induced degradation of DNA methyltransferases ( DNMT - 1 , DNMT - 3a , and DNMT - 3b ) , as well as the methyl CpG - binding proteins ( MeCP - 2 , MBD - 2 and MBD - 3 ) , in MEF cells by the proteasomal pathway ."}
{"Chemical": ["ethanol", "methyl CpG"]}